Clean-shaving, when did it start? The custom of being clean-shaven is said to date back to Alexander the Great, who had a scanty beard in any case and set the fashion. He strongly encouraged the practice during his reign in the 4th century B.C. to avoid the dangerous beard-grabbing in combat. He also believed it looked tidier and neat.
Alexander the Great's
A century later, shaving entered the Roman world in the West, and the Eastern world abandoned the custom.